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Polychromatic Diffractive Concentrators for Ultra-High Efficiency Photovoltaic Cells

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I will describe an approach to achieve energy-conversion efficiencies > 50via a thin nanostructured optic that not only concentrates sunlight, but also separates and assigns the solar-spectral components to photovoltaic cells with matching bandgaps. Article not available.

© 2009 Optical Society of America

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